<%@page import="java.sql.*" %>
<head>
    <title>整表查询数据</title>
    <%! ResultSet rs;%>
    <%
        String dbName = "studb";
        String userName = "root";
        String userPasswd = "123456";
        String url = "jdbc:mysql://localhost/"+dbName+"?user="+userName+"&password="+userPasswd;
        Class.forName("com.mysql.jdbc.Driver"); //5.7以下 不加.cj 以上加
        Connection conn = DriverManager.getConnection(url);
        Statement statement = conn.createStatement();
        String sql = "select * from student";
        rs = statement.executeQuery(sql);
    %>
</head>
<body>
<table border="1">
    <th colspan="4" style="font-size: x-large;alignment:center">学生信息表</th>
    <tr style="text-align: center">
        <td>学号</td>
        <td>姓名</td>
        <td>出生日期</td>
        <td>所在班级</td>
    </tr>
    <% while (rs.next()){ %>
        <tr style="text-align:center">
            <td><%=rs.getString(1) %></td>
            <td><%=rs.getString(2) %></td>
            <td><%=rs.getString("birthday") %></td>
            <td><%=rs.getString("stuclass") %></td>
        </tr>
   <% } %>
    <%
        rs.close();
        statement.close();
        conn.close();
        %>
</table>
</body>